.cov{
    width:100%;
    height:100%;
    background-color:rgba(0, 0, 0, 0.5);
    z-index:1000;
    display:none;
    position:absolute;
    text-align:center;
    font-size: 16px;
    box-shadow:0px 0px 5px black;
}
.con{
    z-index:1100;
    width:600px;
    height:200px;
    background-color:white;
    position:fixed;
    right:30%;
    top:30%;
    position:fixed;
    box-shadow: 0px 0px 15px black;
}
.ptitle{
    width:100%;
    height:35px;
    background-color:#3daae9;
    color:white;
    line-height:35px;
}
.dbt{
    border-radius: 5px;
    width: 70px;
    height:30px;
    background-color:#3daae9;
    right:20px;
    bottom:20px;
    position:absolute;
    line-height:30px;
    color:white;
}
